Electric furnace.



UNITED STATES PATENT ()ffIoE.

HBNBY NoBL POTTEB, of NEW BooHE LB, NEvv YoBK, ASSIGNoB To GEO. fvSTINGfIoUSE, of fITTSBoBo, PENNSYLVANIA.

ELEcTRlo FuRNAcE.

Be if known tht I, fIBNBY NofL PofffB, a oitizen of the ITnifed SfateS, and a feSidenf of NeW ffoohelle, in the oounty of voStohestef nd State of 1`Tew 1fofk, ha.ve invented oeftaif I1eWnd usefulImpfovementsinE.1eotfioI 11f naoeS, of whioh the fo11ovving iS S eoifioa tiof1.

1 his a pHCation iS (1ivision of an appHoa- To tion filed by fne Novembef 21, 1901, Sefi11 To.

The invenfion desofibed in the ofi inal a. )lioation felates to pfoviding meanS fof pfevenfing the ouffenf in an eleoffolytio-tnbe furnaoo ffoln Howing nnevenly by feaSon of aIITSf onavoidable slight diefenooS in Speoifio feSiStanoe of the tnbo due to stfuofural and pefhapS chemiool iffegulfitieS in tho tube matefiaL In tho ofiginal ppHoation I Show and de Sofibe sevefal eInbodifnents of lny invenfion fvhofein tho fefIT1ina.1S fe affanged in oon ffonting paifS. f1Inong theSe enbodiInentS iS one in Whioh ea.oh paif of oonffonting fof- Inifl1S is oonneotod to baHaSf fesiStanoe of 3 Set of ballast feSiSfanooS, and thiS en1bodi ment fofInS tho Snbjeof of tho preSent divi sional oppHoation.

The invention is illnStfated in theaoo01 0 nying dfafving, Whioh ShowS an eleoffolyfio fube developed into o plano and ha.ving oon ffonting paifS of tefn1inals, eaoh Iflenbef of eaoh paif being oonneofed fvith a sopaffe bal lasf.

efeffing to the dfaWing, 1 indioafeS a. tube ooffta.ining Inixtnfe of dfy eleotfolyteS, Suoh aS InagneSia. and alI1111ina, the Safno being Supplied with tern1inaTS 2, 3, 5, 6, 7, nd 8 af one end and fvith ooffeSponding tefminalS 9,

0 10, 11, 12, 13,1,and 15 at the opposite ond. The feffninalS af the opposite endS of the tube afe affanged in oonffonfing a.ifS. The fo- Sistanoe, and oonSequently the voltage dfo will thefefofe vith a given ouffent be loSS 5 ffoIn ny given tefminal to itS difeot opposite than to any othef tefIninaL Eaoh oonffonting paif of teffflinalS iS con nooted in the preSenf embodi1enf of tho invontion to a. sepafate ballaSf feSistonoe of Sef 4 5o of banasb feSiSfanooS, aS Shov7n.

The b11aSt feSiStanoeS fof the paif of teffninalS 2 and 9 afe indioafed at 16 and 17. ThoSo fof the paif 3 nd 10 afo indioafed at 18 and 19, and so on thfough the baHSf fe SiStanoeS 20, 21, 22, 23, 24, 25, 26, 27, 28, ond29. 5

Beyond tho ballaSf fesiStanoes tllo poifS of fefIninaJ1S fo oonnoofed with o Suifablo gofeffof 30.

The ouffent thfongh any bo1laSf, Shonld it tend to Sffy ffoIn a Stfighf1ino aofoss to the oo oppoSite tefIninal, n1oSf ffavefSo the longef )9.f11, and thuS, geonletfioaHy speaking, the path of gfefef fesiStanoe f fhe ouffenb ffon1 the teffninal 2, fof oxample, Shonld tond to entef tho tefnnina1 10 6 inStead of the tefIninal 9, Whefe it belongS, the volfage of 9 fiSoS and thaf of 10 follS in pfopoftion to the Stfy onffent, thefeby fend ing to II1aintain even disffibnfion ffoII1 all the tefminals. 0

vvhile ib Would be feaSiblo to opefafo the fofnaoe vvith Singlo banaSf in SofieS v ifh oaoh paif of teffninals, yof I pfefof to uSo the affngen1enf illnSffated, in whioh tho baHSt iS connected Wibh each membef of eaoh if oftefIninals.

I olain1 aS fny invention 1. 1n eleofrio fufnoe oonSiSting of tnbe oonlposed of L n1iXfure of dry olootfolyteS, and pfovided v7ith oonffonting e1ecffio-oironiftef 11iI1f1S a.ffaf1gedin pifS at its oppoSite ondS, eaoh paif of tefminals being in Series Wifh Sepafate ballaSf devioe.

2. f1I1 eleobfio fofnaoe, oonSiSting of a tube oonlpoSed of noixtufe of dfy eleoffolyfeS, nd 8 fovidod vvith oonffonting eleotfio-oifouif tof- IninalS affanged in paifs af its opposife endS, eaoh n1o11bof of eaoh paif of tefminalS being in SofieS vvith a sopafate baHaSf devioo.

3. The oombination vvith on electfio fufo naoo, oonSiSting of a tube oolnposed of J Inixtnfo of dfy eIeoffolyteS,and pfovidod With oonffonting elooffio oifonif tefn1inalS af fanged in paifs at itS oppoSife ondS, of a Snif ablo eleotfio genoffof oonneeted if1 fnltip1e 5 to the sovefal paifS of tefIninals, and aJ ballaSt dovioo interpoSed in ea.oh Tnultiple oifonif at eoh of tho fnfnooS.

Signed af 1Tevv1fofk, if1 the oount of New 1 ofk and Sfate of 1`TeW 1Zofk, thiS 12f1 y Ico of Novombof, A. D. 1902.

HBNBY NoEL PoTTBB. 

